If by leashes you mean the quickdraw that is attached to the bolt or other piece of pro then I use a non-locking biner on both ends. But if you are talking abouta leash which you use to clip yourself into the anchors, like a daisy chain or something similar then I usually use a locking biner. It isn't a bad idea to use lockers everywhere but it gets real expensive. On my daisy chains I use blue anodized lockers so they stand out from the rest of the biners so I know which ones not to unclip. Things can get pretty confusing at a hanging belay with your partner and all kinds of slings going everywhich way and biners everywhere.

Quote:Originally Posted by wigglestick: Things can get pretty confusing at a hanging belay with your partner and all kinds of slings going everywhich way and biners everywhere.

That's the main reason I use a locking biner as well. Wigglestick made an excellent point, that on a hanging belay, there is so much *stuff* hanging from the anchors, I don't want to get mixed up and think I'm unclipping a draw or sling to something else and I unclip myself - not good.

I really like the idea of a different color and may have to start doing that w/ my colored ones - good call wiggle.

The other reason is that I don't want any chance of something coming across the gate and opening the biner and my sling coming out - that's the express route down and I'd rather take the stairs. Safety is the main reason that its crucial to use a locking biner to attach your leashes (slings) to the anchors when that's what you'll be hanging on.

i for the most part use non locking carabiner but at hanging belays or when ever i stop for a long time i have a 6 foot 8mm cord with a auto locking carabiner that i keep tied onto my harness at all times so if i ever stop for a little bit that is the first thing that gets clipped in and it is the last thing that i unclip when i leave